Grandes Rocques (Beach) (Guernsey) weather
Find a forecast
Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.
- Head to a lifeguarded beach; check the RNLI lifeguarded beach tool
- Follow RNLI Float to Live advice if you find yourself struggling in the water
- Know what to do if you get caught in a rip current (RNLI)
- Check the tide times to avoid getting cut off by the tide coming in
- Call 999 and ask for the coastguard in an emergency
- Learn more about staying safe at the beach
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 16° Celsius;
- • very high likelihood of injury in or near the sea
Tide: Next low tide (4.2m) at
Sunrise:
Sunset:
7 day forecast for Grandes Rocques (Beach)
| Time |
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
 |
 |
|
|
|
| Chance of precipitation |
<5%
|
20%
|
10%
|
<5%
|
10%
|
<5%
|
20%
|
20%
|
<5%
|
| Temperature |
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed |
WSW
22
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
20
|
WSW
19
|
WSW
19
|
| Wind gust (mph) |
30
|
30
|
30
|
29
|
29
|
28
|
27
|
27
|
27
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
77%
|
76%
|
75%
|
76%
|
76%
|
77%
|
77%
|
76%
|
| UV | 4 | 3 | 2 | 1 | 1 | - | - | - | - |
| Wind direction and speed |
21
|
21
|
21
|
21
|
21
|
20
|
19
|
19
|
18
|
| Height of waves offshore (m) |
2.1
|
2.2
|
2.2
|
2.2
|
2.2
|
2.2
|
2.2
|
2.2
|
2.1
|
| Period of waves offshore (s) |
12
|
12
|
12
|
12
|
12
|
12
|
12
|
12
|
12
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
 |
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
<5%
|
10%
|
40%
|
90%
|
90%
|
≥95%
|
90%
|
70%
|
30%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
13°
|
14°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
WSW
18
|
WSW
18
|
SW
18
|
SW
17
|
SW
17
|
SSW
18
|
SSW
19
|
S
20
|
S
21
|
S
21
|
S
21
|
SSW
21
|
SW
21
|
WSW
22
|
WSW
22
|
WSW
23
|
WSW
23
|
WSW
23
|
WSW
23
|
WSW
23
|
WSW
23
|
WSW
22
|
SW
22
|
SW
21
|
| Wind gust (mph) |
27
|
28
|
28
|
29
|
30
|
30
|
31
|
35
|
37
|
36
|
34
|
32
|
31
|
30
|
32
|
33
|
33
|
33
|
34
|
33
|
33
|
32
|
30
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
77%
|
76%
|
76%
|
76%
|
78%
|
82%
|
85%
|
88%
|
88%
|
87%
|
87%
|
85%
|
83%
|
84%
|
83%
|
82%
|
84%
|
83%
|
83%
|
83%
|
82%
|
83%
|
84%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 3 | 6 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
| Wind direction and speed (mph) |
18
|
18
|
18
|
17
|
17
|
18
|
19
|
19
|
20
|
21
|
21
|
21
|
21
|
22
|
22
|
23
|
23
|
23
|
23
|
23
|
22
|
22
|
21
|
21
|
| Height of waves offshore (m) |
2.0
|
1.9
|
1.9
|
1.8
|
1.8
|
1.7
|
1.7
|
1.7
|
1.6
|
1.5
|
1.5
|
1.6
|
1.7
|
1.8
|
1.9
|
1.9
|
1.9
|
1.9
|
1.9
|
1.9
|
1.9
|
2.0
|
2.0
|
2.0
|
| Period of waves offshore (s) |
12
|
12
|
12
|
12
|
12
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
 |
|
|
|
|
 |
| Chance of precipitation |
40%
|
70%
|
80%
|
80%
|
40%
|
30%
|
20%
|
20%
|
60%
|
| Temperature (°C) |
17°
|
17°
|
18°
|
17°
|
18°
|
19°
|
19°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
12°
|
13°
|
13°
|
14°
|
13°
|
12°
|
| Wind direction and speed (mph) |
SW
20
|
SSW
19
|
SSW
26
|
SW
27
|
SW
27
|
SW
27
|
WSW
24
|
WSW
25
|
WSW
22
|
| Wind gust (mph) |
30
|
35
|
43
|
40
|
41
|
38
|
33
|
32
|
36
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
E
|
E
|
E
|
| Humidity |
85%
|
86%
|
87%
|
87%
|
84%
|
81%
|
77%
|
76%
|
77%
|
| UV | - | - | - | 1 | 3 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
20
|
19
|
24
|
26
|
27
|
27
|
25
|
25
|
23
|
| Height of waves offshore (m) |
2.0
|
1.9
|
1.7
|
1.7
|
1.9
|
2.5
|
2.5
|
2.6
|
2.7
|
| Period of waves offshore (s) |
10
|
10
|
10
|
10
|
10
|
10
|
11
|
11
|
11
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
30%
|
30%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
15°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
13°
|
14°
|
13°
|
13°
|
12°
|
| Wind direction and speed (mph) |
WSW
22
|
WSW
22
|
WSW
21
|
WSW
20
|
WSW
22
|
WSW
23
|
WSW
22
|
WSW
20
|
| Wind gust (mph) |
34
|
31
|
30
|
29
|
30
|
30
|
28
|
25
|
| Visibility (description) |
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
77%
|
77%
|
75%
|
75%
|
74%
|
75%
|
75%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
23
|
23
|
22
|
21
|
22
|
23
|
22
|
20
|
| Height of waves offshore (m) |
2.5
|
2.1
|
1.9
|
1.8
|
1.9
|
2.0
|
2.0
|
1.9
|
| Period of waves offshore (s) |
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
15°
|
18°
|
18°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
15°
|
16°
|
17°
|
17°
|
16°
|
| Wind direction and speed (mph) |
WSW
18
|
W
16
|
WSW
13
|
WSW
12
|
WSW
12
|
WSW
9
|
SSW
6
|
SE
7
|
| Wind gust (mph) |
22
|
20
|
16
|
15
|
14
|
9
|
10
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
73%
|
70%
|
71%
|
72%
|
71%
|
74%
|
| UV | - | - | 1 | 3 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
18
|
16
|
14
|
14
|
14
|
10
|
7
|
8
|
| Height of waves offshore (m) |
1.9
|
1.7
|
1.6
|
1.4
|
1.3
|
1.2
|
1.1
|
1.0
|
| Period of waves offshore (s) |
11
|
11
|
11
|
10
|
10
|
10
|
10
|
10
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
| Feels like temperature (°C) |
15°
|
15°
|
14°
|
15°
|
15°
|
17°
|
17°
|
17°
|
| Wind direction and speed (mph) |
SSE
10
|
S
12
|
S
14
|
S
18
|
S
18
|
SSE
14
|
SSE
14
|
S
13
|
| Wind gust (mph) |
16
|
19
|
20
|
21
|
18
|
14
|
16
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
80%
|
82%
|
83%
|
85%
|
84%
|
84%
|
84%
|
85%
|
| UV | - | - | 1 | 3 | 6 | 2 | 1 | - |
| Wind direction and speed (mph) |
10
|
12
|
15
|
18
|
18
|
14
|
14
|
13
|
| Height of waves offshore (m) |
0.9
|
0.9
|
0.9
|
0.9
|
0.8
|
0.7
|
0.7
|
0.7
|
| Period of waves offshore (s) |
10
|
10
|
10
|
10
|
10
|
10
|
9
|
9
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
30%
|
20%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
18°
|
18°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
S
14
|
S
15
|
S
16
|
S
17
|
S
17
|
SSE
14
|
SW
14
|
WSW
13
|
| Wind gust (mph) |
17
|
18
|
18
|
19
|
18
|
15
|
15
|
15
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
87%
|
91%
|
91%
|
92%
|
91%
|
90%
|
89%
|
89%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
| Wind direction and speed (mph) |
14
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
0.7
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
9
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Monday 1 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 1 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 1 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 1 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.